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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Frameset//EN""http://www.w3.org/TR/REC-html40/frameset.dtd"><!--NewPage--><HTML><HEAD><!-- Generated by javadoc on Fri Dec 06 19:57:07 CET 2002 --><TITLE>jakarta-turbine-2 2.2 API: Interface InitableBroker</TITLE><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../stylesheet.css" TITLE="Style"></HEAD><BODY BGCOLOR="white"><!-- ========== START OF NAVBAR ========== --><A NAME="navbar_top"><!-- --></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0"><TR><TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_top_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3"> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="class-use/InitableBroker.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../org/apache/turbine/services/Initable.html"><B>PREV CLASS</B></A> <A HREF="../../../../org/apache/turbine/services/Service.html"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../index.html" TARGET="_top"><B>FRAMES</B></A> <A HREF="InitableBroker.html" TARGET="_top"><B>NO FRAMES</B></A></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: INNER | FIELD | CONSTR | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: FIELD | CONSTR | <A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><!-- =========== END OF NAVBAR =========== --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">org.apache.turbine.services</FONT><BR>Interface InitableBroker</H2><DL><DT><B>All Known Subinterfaces:</B> <DD><A HREF="../../../../org/apache/turbine/services/ServiceBroker.html">ServiceBroker</A></DD></DL><DL><DT><B>All Known Implementing Classes:</B> <DD><A HREF="../../../../org/apache/turbine/services/BaseInitableBroker.html">BaseInitableBroker</A></DD></DL><HR><DL><DT>public interface <B>InitableBroker</B></DL><P>Classes that implement this interface can act as a broker for <code>Initable</code> classes. Functionality provided by the broker includes: <ul> <li>Maintaining a single instance of each <code>Initable</code> in the system.</li> <li>Early initialization of <code>Initables</code> during system startup.</li> <li>Late initialization of <code>Initables</code> before they are used.</li> <li>Providing instances of <code>Initables</code> to requesting parties.</li> <li>Maintainging dependencies between <code>Initables</code> during early initalization phases, including circular dependencies detection.</li> </ul><P><DL><DT><B>Version: </B><DD>$Id: InitableBroker.java,v 1.1.1.1 2001/08/16 05:08:46 jvanzyl Exp $</DD><DT><B>Author: </B><DD><a href="mailto:burton@apache.org">Kevin Burton</a>, <a href="mailto:krzewski@e-point.pl">Rafal Krzewski</a></DD></DL><HR><P><!-- ======== INNER CLASS SUMMARY ======== --><!-- =========== FIELD SUMMARY =========== --><!-- ======== CONSTRUCTOR SUMMARY ======== --><!-- ========== METHOD SUMMARY =========== --><A NAME="method_summary"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Method Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../../org/apache/turbine/services/Initable.html">Initable</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/apache/turbine/services/InitableBroker.html#getInitable(java.lang.String)">getInitable</A></B>(java.lang.String className)</CODE><BR> Provides an instance of Initable class ready to work.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/apache/turbine/services/InitableBroker.html#initClass(java.lang.String, java.lang.Object)">initClass</A></B>(java.lang.String className, java.lang.Object data)</CODE><BR> Performs early initialization of an Initable class.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/apache/turbine/services/InitableBroker.html#shutdownClass(java.lang.String)">shutdownClass</A></B>(java.lang.String className)</CODE><BR> Shutdowns an Initable class.</TD></TR></TABLE> <P><!-- ============ FIELD DETAIL =========== --><!-- ========= CONSTRUCTOR DETAIL ======== --><!-- ============ METHOD DETAIL ========== --><A NAME="method_detail"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=1><FONT SIZE="+2"><B>Method Detail</B></FONT></TD></TR></TABLE><A NAME="initClass(java.lang.String, java.lang.Object)"><!-- --></A><H3>initClass</H3><PRE>public void <B>initClass</B>(java.lang.String className, java.lang.Object data) throws <A HREF="../../../../org/apache/turbine/services/InitializationException.html">InitializationException</A></PRE><DL><DD>Performs early initialization of an Initable class. If your class depends on another Initable being initialized to perform early initialization, you should always ask your broker to initialize the other class with the objects that are passed to you, before you try to retrieve that Initable's instance with getInitable().<DD><DL><DT><B>Parameters:</B><DD><CODE>className</CODE> - The name of the class to be initailized.<DD><CODE>data</CODE> - An object to be used for initialization activities.<DT><B>Throws:</B><DD><CODE>InitializationException,</CODE> - if initialization of this class was not successful.</DL></DD></DL><HR><A NAME="shutdownClass(java.lang.String)"><!-- --></A><H3>shutdownClass</H3><PRE>public void <B>shutdownClass</B>(java.lang.String className)</PRE><DL><DD>Shutdowns an Initable class. This method is used to release resources allocated by an Initable class, and return it to initial (uninitailized) state.<DD><DL><DT><B>Parameters:</B><DD><CODE>className</CODE> - The name of the class to be uninitialized.</DL></DD></DL><HR><A NAME="getInitable(java.lang.String)"><!-- --></A><H3>getInitable</H3><PRE>public <A HREF="../../../../org/apache/turbine/services/Initable.html">Initable</A> <B>getInitable</B>(java.lang.String className) throws <A HREF="../../../../org/apache/turbine/services/InstantiationException.html">InstantiationException</A></PRE><DL><DD>Provides an instance of Initable class ready to work. If the requested class couldn't be instatiated or initialized, InstantiationException will be thrown. You needn't handle this exception in your code, since it indicates fatal misconfigurtion of the system.<DD><DL><DT><B>Parameters:</B><DD><CODE>className</CODE> - The name of the Initable requested.<DT><B>Returns:</B><DD>An instance of requested Initable.<DT><B>Throws:</B><DD><CODE>InstantiationException,</CODE> - if there was a problem during instantiation or initialization of the Initable.</DL></DD></DL><!-- ========= END OF CLASS DATA ========= --><HR><!-- ========== START OF NAVBAR ========== --><A NAME="navbar_bottom"><!-- --></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0"><TR><TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_bottom_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3"> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="class-use/InitableBroker.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../org/apache/turbine/services/Initable.html"><B>PREV CLASS</B></A> <A HREF="../../../../org/apache/turbine/services/Service.html"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../index.html" TARGET="_top"><B>FRAMES</B></A> <A HREF="InitableBroker.html" TARGET="_top"><B>NO FRAMES</B></A></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: INNER | FIELD | CONSTR | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: FIELD | CONSTR | <A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><!-- =========== END OF NAVBAR =========== --><HR>Copyright © 2000-2002 Apache Software Foundation. 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